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Chemical Engineering Thermodynamics

Chemical Engineering Thermodynamics
If different processes are used to bring about the same chemical reaction, the enthalpy change is same for all of them. This is __________ law.

None of these
Kirchoff's
Lavoisier and Laplace
Hess's

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Chemical Engineering Thermodynamics
High __________ is an undesirable property for a good refrigerant.

Latent heat of vaporisation
Specific vapor volume
Viscosity
Specific heat

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Chemical Engineering Thermodynamics
Linde gas liquefaction process employs cooling

By expansion in an engine
By throttling
None of these
At constant pressure

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Chemical Engineering Thermodynamics
In the reaction, represented by, 2SO₂ + O₂ ⇋ 2SO₃; ΔH = - 42 kcal; the forward reaction will be favoured by

Both A and B
Low temperature
High pressure
Neither A nor B

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Chemical Engineering Thermodynamics
The molar excess Gibbs free energy, gE, for a binary liquid mixture at T and P is given by, (gE/RT) = A . x₁. x₂, where A is a constant. The corresponding equation for ln y₁, where y₁ is the activity co-efficient of component 1, is

Ax₁²
Ax₂
Ax₁
A . x₂²

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Chemical Engineering Thermodynamics
Solubility of a substance which dissolves with an increase in volume and liberation of heat will be favoured by the

High pressure and high temperature
Low pressure and low temperature
High pressure and low temperature
Low pressure and high temperature

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